Dirty Jobs is returning for a fourth season with eleven brand new episodes starting on Tuesday, October 7 at 9 PM ET/PT on the Discovery Channel. Dirty Jobs stars host and creator Mike Rowe as he takes on some of dirtiest and most difficult jobs in America.

Mike Rowe does jobs ranging from collecting garbage to plugging abandoned mine shafts. In the fourth season premiere episode, Mike works as a tar rigger in San Diego, California. He helps to maintain the oldest active merchant ship in the world. The ship was built in 1863, and Mike’s work includes tarring the rigging on the mast. A task he completes while hoisted 130 feet in the air.